Openconnect

This hub aggregates every CVE we track for Openconnect, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 10 most recently published vulnerabilities affecting Openconnect.

• CVE-2020-12823OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.9.8May 12, 2020
• CVE-2020-12105OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.5.9Apr 23, 2020
• CVE-2013-7098OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.9.8Feb 13, 2020
• CVE-2019-16239process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.9.8Sep 17, 2019
• CVE-2012-6128Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cooki...5.0Feb 24, 2013
• CVE-2012-3291Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.7.8Jun 7, 2012
• CVE-2010-3901OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (...6.4Oct 12, 2010
• CVE-2010-3903Unspecified vulnerability in OpenConnect before 2.23 allows remote AnyConnect SSL VPN servers to cause a denial of service (application crash) via a 404 HTTP status code.5.0Oct 12, 2010
• CVE-2010-3902OpenConnect before 2.26 places the webvpn cookie value in the debugging output, which might allow remote attackers to obtain sensitive information by reading this output, as demonstrated by output ...5.0Oct 12, 2010
• CVE-2009-5009Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a c...5.0Oct 12, 2010